Mower



(No Model.) J. H. PITKIN 8v J. F. STEWARD.

' MQWER.

V@herren STATES ATENT OFFICEo JULIAN H. PITKIN, OF LAKE VIEW?, AND JOHN F. STEYVARD, OF CHICAGO, ILLINOIS; SAID PITKIN ASSIGIIOR TO VILLIAM DEERING, OF CHICAGO, ILLINOIS.

SPECIFICATION forming part o1 Letters Patent No. 391,075, lated October 16, 188 3.

Application filed April i9, 1888. Serial No. $270,504. (No model.)

T all whom, it may concern: and fall, and that thc cutter har may be rolled Be it known that we, JULIAN H. PITKIN and or tilted forward and backward. JOHN F. STEWARD, citizens of the United The foregoing parts may be in every par- Statcs, residing, respectively, at Lake View ticular of ordinary construction, and are not 5 and at Chicago, both in the county of Cook and claimed as of our invention. 55

State of Illinois, have invented certain Im- F represents an angular handlever, comprovements in )Towing-Machines, of which the monly known as the lifting-lever, mounted following` is a description, reference being had on a horizontal pivot and connected byachain, to the accompanying drawings, forming a part F3, with the push-bar K, or other appropriate io hereof. part of the cutting mechanism, for the purpose 6o Our invention relates to that familiar' class of lifting the same bodily. of mowing-machines in which two hand-levers G is a second hand-lever, also mounted on a are employed on the main frame-one forlifthorizontal pivot, and connected at its lower ing and the other for tilting or rocking the cutend by a rod with an arm rising from the cutting mechanism. In machines ordinarily made ting mechanism for the purpose of tilting or o5 these levers and attendant parts are so mounted lowering the same. rl`he connection of the two on the frame that much time and labor are conlevers with the cutting mechanism and their sumed in removing them to admit of the maaction thereon may be the same as in ordinary chine being housed or transported and again machines.

2o assembling the parts for operation. In applying our invention, which relates 7o The aim of our invention is to so mount the solely to the lever supporting and locking detwo leversand theirlatching or locking devices vices,we provide the main frame with a vertithat said parts may be instantly removed from cal flange or plate, D, of the form shown in the frame without disconnecting them from Fig. 3, or similar form adapted to receive or each other. This construction saves both time sustain the lever-supporting plate E. This 75 and trouble, admits ofsaid parts being shipped plate E is formed with a horizontal journal or and stored in compact form, and permits them trunnion. It is adapted to t against the outer to be applied to the frame without the employface of the plate D, and is provided at the npment of skilled labor and without the possiper edge with a shoulder to rest upon said 3o bility of having them improperly adjusted. plate, as shown in Figs. 8 and 4, or similarly 8o In the accompanying drawings, Figure l is formed to engage therewith. Atitslower edge a side elevation of aniower provided with our the plate E is provided with a curved or segimprovement. Fig. Zisaside elevation showmental flange, E, having in its upper face ing the lifting-lever and its support connectedv ratchet-teeth, as shown in the several figures.

tothe frame, the tilting-lever and its attach- The lifting-lever F is mounted loosely upon S5 ments being removed. Fig. 8 is avertical secand around the trunnion, and provided at its tion on the lines 83 of Fig. l. Fig. 4 is aperlower ends with a dog or latch, E2, adapted to spective view of the lever-supporting plate, a engage in the teeth E,whereby the lever may portion of its lower end being broken away be locked in position. The latch is provided .1,0 and a portion of the segment-plate for holding with a rod or other customary operating device 9o the tilting-lever shown in position thereon. extending to the upper end of the handle.

Referring to the drawings, A represents the The tilting-lever G is also mounted on the jourmain frame ofthe mower; B, one of its grainnal F outside of thelifting-lever and is wholly wheels; C, the tongue, bolted at the rear end independent thereof.

to a portion of the frame extending forward of The extreme outer end of the journal F is 95 the axle. of angular form, as shown in Fig. 4, and gives J represents the cutting mechanism consupport to the toothed segmentplate H, fitted nccted to the forward end of the push-bar K firmly thereon. This plate interlocking with and otherwise connected with the main frame the customary latch or dog on the tilting-lever 5o in any ordinary manner, so that it may risc i G holds the latter in its adjusted position. loo

The segment-plate H is split or divided at the lower end and provided with a transverse holt, i, by which it is contracted tightly upon the angular end of the journal, so that it is held rigidly in place thereon. plied also serves to hold the two levers upon 'the journal.

Through th'e journal F', from end to end,we form a hole to receive a fastening -bolt, D', which is passed therethrough and through the main frame and provided with a nut, d, on one end, the bolt thus applied serving to hold the plate E, both levers, and the segmentplates in place on themain frame. By simply removing` the bolt the plate E, with the levers, is released, so that it may be instantly removed.

Having thus described our invention, what we claim is- 1. Ina mowing-machine, the main frame having the forward arm or extension, D, and the cutting mechanism, as usual, in combination with the plate E, detachably bolted to said arm and provided with the trunnion andtwo rack-plates, and the lifting-lever and the tilt` ing-lever, both mounted on said trunnion and provided with the latching devices.

This plate thus ap-v 2. In combination with the mower-frame,

the detachable plate E, provided with teeth E and journal F', the two levers mounted independently on said journal, and the segmentplate H, fixed on the end of the journal, as shown.

3. The plate having teeth E and rigidjour- JULIAN H. PiTKiN. i JOHN F.- srnwARD.

Witnesses:

J oHN B. KAsPARi, ARTHUR JoHNsoN. 

